Matthew Bresnahan

Wilson Sonsini Goodrich & Rosati PC

Matthew Bresnahan is a partner in the San Diego and Los Angeles offices of Wilson Sonsini Goodrich & Rosati, where he has focused his practice over the past 10 years on all aspects of intellectual property, including strategic patent counseling, patent prosecution, licensing, and litigation.

Matt is primary outside IP counsel to more than 50 life sciences companies within the biotechnology, molecular biology, pharmaceutical, diagnostic, and medical device fields in Southern California.

Matt has assisted in founding and establishing the IP strategy for more than 25 funded life sciences companies in the past two years. He prosecutes patent applications before the U.S. Patent and Trademark Office (USPTO) and manages and oversees national and international patent portfolios for his clients.

Matt has analyzed intellectual property portfolios and performed IP due diligence for both venture capital firms and businesses in a variety of investment environments, including financings, mergers and acquisitions, and initial public offerings (IPOs).

He writes opinion letters of counsel, negotiates and drafts transactional agreements, performs IP audits, and formulates and implements IP strategies for both established and emerging growth companies. Matt draws upon his strong patent litigation background when advising and counseling clients on intellectual property and related business matters on a day-to-day basis.

He has litigated patent, trademark, trade-secret theft, and trade-dress IP disputes in a diverse range of technical areas. He successfully tried a three-week patent case in federal court concerning a small molecule therapeutic treatment that was settled favorably for his client after closing arguments and prior to verdict.

Matt has successfully obtained favorable institution orders and final written decisions of unpatentability in inter partes review proceedings before the USPTO with respect to patents protecting therapeutic products having billions of dollars in sales per year that would have otherwise blocked commercial launch of his client’s products.

Matt is an adjunct professor of law at the University of San Diego School of Law, where he has taught patent law for the past five years. Prior to joining the firm in 2007, Matt assisted the Honorable Rudi M. Brewster, a patent specialist judge, in the U.S. District Court for the Southern District of California.

Matt assisted Judge Brewster with resolving several high-profile and precedent setting patent trials and other intellectual property proceedings, including patent, copyright, and trademark actions.


  • J.D., University of San Diego School of Law, 2007
  • B.S., Biochemistry, California Polytechnic State University, San Luis Obispo, 2004


  • Member, American Bar Association
  • Member, American Intellectual Property Law Association
  • Member, Los Angeles Intellectual Property Law Association
  • Member, San Diego Intellectual Property Law Association


  • State Bar of California
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Southern District of California
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. Patent and Trademark Office


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What types of cases Attorney MATTHEW BRESNAHAN & Wilson Sonsini Goodrich & Rosati PC can handle?
Wilson Sonsini Goodrich & Rosati PC can handle cases related to laws concerning Mergers & Acquisitions, Intellectual Property. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Wilson Sonsini Goodrich & Rosati PC located?
Wilson Sonsini Goodrich & Rosati PC is located at 633 W 5th St #1550, Los Angeles, CA 90071, USA. You can reach out to Wilson Sonsini Goodrich & Rosati PC using their phone line 323-210-2900. You can also check their website or email them at [email protected].
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Wilson Sonsini Goodrich & Rosati PC
West 5th Street 633
Los Angeles 90071 CA US
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